video: Make video_v4l2_format function private

The video_v4l2_format function is defined as inline in the header, but not
static. This will lead to a linker failure when you have multiple files
including the header.

Since it's not used anywhere but in video.c, move it there.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

src/video.c

@@ -34,6 +34,11 @@
 #include "video.h"
 #include "utils.h"
 
+static inline unsigned int video_v4l2_format(bool tiled_format)
+{
+	return tiled_format ? V4L2_PIX_FMT_MB32_NV12 : V4L2_PIX_FMT_NV12;
+}
+
 static struct video_format formats[] = {
 	{
 		.description		= "NV12 YUV",

src/video.h

@@ -37,11 +37,6 @@ struct video_format {
 	unsigned int bpp;
 };
 
-inline unsigned int video_v4l2_format(bool tiled_format)
-{
-	return tiled_format ? V4L2_PIX_FMT_MB32_NV12 : V4L2_PIX_FMT_NV12;
-}
-
 struct video_format *video_format_find(bool tiled_format);
 
 #endif